| 随机变量函数的一种全序排列及其在教学评估中的应用 |
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| 引用本文： | 杜英芳.随机变量函数的一种全序排列及其在教学评估中的应用[J].天津师范大学学报(自然科学版),2011,31(2):91-93. |
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| 作者姓名： | 杜英芳 |
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| 作者单位： | 天津师范大学,生命科学学院,天津,300387 |
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| 摘 要： | 首先给出了有界变差函数相等的一个充要条件,在此基础上给出了随机变量函数的一种全序排列集,并利用这种顺序在学生成绩评估中给出了一种依据学生分数的全序排列.
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| 关 键 词： | 随机变量 有界变差函数 全序排列集 |
A totally ordered set on functions of random variable and its application in teaching estimation |
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| DU Ying fang.A totally ordered set on functions of random variable and its application in teaching estimation[J].Journal of Tianjin Normal University(Natural Science Edition),2011,31(2):91-93. |
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| Authors: | DU Ying fang |
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| Institution: | DU Yingfang College of Life Science,Tianjin Normal University,Tianjin 300387,China |
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| Abstract: | A necessary and sufficient condition for the equality of the bounded variation function is obtained,and a totally ordered set on the functions of random variable is given.By using the results a totally ordered set which depends on scores of students in teaching estimation is given. |
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| Keywords: | random variable bounded variation function totally ordered set |
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